【简答题】Chinese people have a saying:"门当户对",which originally referred to a marriage between families of equal social rank. The saying gradually evolved to mean that two people should only marry if they share ...
【单选题】Another theory was that the Neanderthals had children with Homo sapiens, and gradually became part of their group. However, 1997 DNA analysis by geneticist Svante Paabo and his colleagues at the Unive...
【判断题】试样是由实验室样品制备的,从中抽取试料的样品。
【单选题】( )数据库是把已经存在于磁盘的数据库文件恢复成数据库。
【单选题】患儿,男,8个月,平日多汗,易惊,近2天间断抽搐就诊。查体:T37.3°C,意识丧失,两眼上翻,手足紧握抽动,约1分钟自行缓解,遂入睡,醒后精神、吃奶好,诊断“维生素D缺乏性手足搐搦症”。此时护士正确的抢救步骤是:
【简答题】The men and women of Anglo-Saxon England normally bore one name only. Distinguishing epithets were rarely added. These might be patronymic, descriptive or occupational. They were, however, hardly surn...
【单选题】由实验室样品制备的,从中抽取试料的样品是 。